Samsung Electronics on Tuesday introduced its latest 200-megapixel (MP) image sensor, the ISOCELL HP2, with improved pixel technology for premium smartphones. The ISOCELL HP2 packs 200 million 0.6-micrometer (μm) pixels in a 1/1.3″ optical format, a sensor size widely used in 108MP main smartphone cameras. This enables consumers to enjoy even higher resolutions in the latest high-end smartphones without the big camera bumps in their devices.
According to the company, Samsung’s advanced pixel-binning technology, along with Tetra2pixel, adds more versatility to the HP2 camera as it simulates different pixel sizes to accommodate different light levels. In low-light environments, the sensor replaces binning four to 16 neighboring pixels in either a 1.2μm 50MP or 2.4μm 12.5MP image sensor. For fuller 8K video, at around 33MP, the HP2 switches to a 1.2μm 50MP mode to reduce cropping and capture more footage. Filming 8K at 30 frames-per-second (fps), a wide field of view with a large pixel size can produce sharp cinematic video.
“The Samsung ISOCELL HP2 harnesses Samsung’s high-resolution image sensor technologies and cutting-edge information for epic detail,” said Junseo Yim, executive vice president of sensor business at Samsung Electronics. “Our leadership comes from innovative pixel technologies that allow our sensors to go beyond pixel count and size. We will continue to open new horizons and strengthen our presence in the ultra-high-resolution sensor market.
Samsung has also integrated its Dual Vertical Transfer Gate pixel technology to increase its per-pixel electron efficiency capability. In a photo diode, within each pixel, a voltage transfer gate is held down to move electrons from the pixel to the logic layer. With higher precision, the D-VTG adds a second transfer gate to the pixel, increasing the pixel’s full-scale efficiency by more than 33 percent.
In low-light environments, the sensor transforms to a 1.2μm 50-megapixel or 2.4μm 12.5-megapixel by binning 16 neighboring pixels from four. For 8K video, at around 33-megapixels, the sensor switches to a 1.2μm 50-megapixel mode to reduce cropping, while 8K video at 30 frames per second.
For great HDR performance, Samsung is introducing the DSG feature for the first time in 50MP mode which applies two different conversion values to the received analog signal at the pixel level. In addition, Smart-ISO Pro, an HDR solution that merges different levels of ISO readout from a single exposure, allows the camera to take 12.5MP images and 4K video at 60fps video in HDR.
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